Which of the following routes of administration has the most rapid onset of action?
A. rectalB. intravenous
C. intramuscular
D. by mouth

B.

(this multiple choice question has been scrambled)

What does the abbreviation "pc" refer to?
A. penicillinB. after meals
C. under the tongue
D. by mouth

B.

(this multiple choice question has been scrambled)

Which of the following statements most accurately describes intramuscular injections?A. injection into the muscle
B. injection into the vein
C. injection into the epidermis
D. injection into adipose tissue